Finding the Fourth Proportional to 1,367,048.40, 2,050,768.68 and 420,498.96
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Solution
The fourth proportional to 1,367,048.40, 2,050,768.68 and 420,498.96 is: 630,808.75
Step by Step Solution
- Step 1: Write the proportion equation
1,367,048.40 : 2,050,768.68 = 420,498.96 : x - Step 2: Convert to fraction form
1,367,048.40/2,050,768.68 = 420,498.96/x - Step 3: Cross multiply
1,367,048.40x = 2,050,768.68 × 420,498.96 - Step 4: Simplify right side
1,367,048.40x = 862,346,097,140.57 - Step 5: Solve for x
x = 862,346,097,140.57/1,367,048.40 - Step 6: Final answer
x = 630,808.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.